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Change error position formatting

Browse source 
It's now

  at /home/eelco/Dev/nixpkgs/pkgs/applications/misc/hello/default.nix:7:7:

instead of

  at: (7:7) in file: /home/eelco/Dev/nixpkgs/pkgs/applications/misc/hello/default.nix

The new format is more standard and clickable.
This commit is contained in:
Eelco Dolstra 2021-01-21 00:55:59 +01:00
parent 40608342cb
commit 55849e153e
2 changed files with 11 additions and 15 deletions
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22
src/libutil/error.cc
View file

@ -43,9 +43,9 @@ string showErrPos(const ErrPos & errPos)
{ {
if (errPos.line > 0) { if (errPos.line > 0) {
if (errPos.column > 0) { if (errPos.column > 0) {
return fmt("(%1%:%2%)", errPos.line, errPos.column); return fmt("%d:%d", errPos.line, errPos.column);
} else { } else {
return fmt("(%1%)", errPos.line); return fmt("%d", errPos.line);
} }
} }
else { else {
@ -178,24 +178,20 @@ void printCodeLines(std::ostream & out,
} }
} }
void printAtPos(const string & prefix, const ErrPos & pos, std::ostream & out) void printAtPos(const ErrPos & pos, std::ostream & out)
{ {
if (pos) if (pos) {
{
switch (pos.origin) { switch (pos.origin) {
case foFile: { case foFile: {
out << prefix << ANSI_BLUE << "at: " << ANSI_YELLOW << showErrPos(pos) << out << fmt(ANSI_BLUE "at " ANSI_YELLOW "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos));
ANSI_BLUE << " in file: " << ANSI_NORMAL << pos.file;
break; break;
} }
case foString: { case foString: {
out << prefix << ANSI_BLUE << "at: " << ANSI_YELLOW << showErrPos(pos) << out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«string»:%s" ANSI_NORMAL ":", showErrPos(pos));
ANSI_BLUE << " from string" << ANSI_NORMAL;
break; break;
} }
case foStdin: { case foStdin: {
out << prefix << ANSI_BLUE << "at: " << ANSI_YELLOW << showErrPos(pos) << out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos));
ANSI_BLUE << " from stdin" << ANSI_NORMAL;
break; break;
} }
default: default:
@ -272,7 +268,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
if (einfo.errPos.has_value() && *einfo.errPos) { if (einfo.errPos.has_value() && *einfo.errPos) {
oss << "\n"; oss << "\n";
printAtPos("", *einfo.errPos, oss); printAtPos(*einfo.errPos, oss);
auto loc = getCodeLines(*einfo.errPos); auto loc = getCodeLines(*einfo.errPos);
@ -292,7 +288,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
if (iter->pos.has_value() && (*iter->pos)) { if (iter->pos.has_value() && (*iter->pos)) {
auto pos = iter->pos.value(); auto pos = iter->pos.value();
oss << "\n"; oss << "\n";
printAtPos("", pos, oss); printAtPos(pos, oss);
auto loc = getCodeLines(pos); auto loc = getCodeLines(pos);
if (loc.has_value()) { if (loc.has_value()) {

4
tests/misc.sh
View file

@ -17,10 +17,10 @@ nix-env -q --foo 2>&1 | grep "unknown flag"
# Eval Errors. # Eval Errors.
eval_arg_res=$(nix-instantiate --eval -E 'let a = {} // a; in a.foo' 2>&1 || true) eval_arg_res=$(nix-instantiate --eval -E 'let a = {} // a; in a.foo' 2>&1 || true)
echo $eval_arg_res | grep "at: (1:15) from string" echo $eval_arg_res | grep "at «string»:1:15:"
echo $eval_arg_res | grep "infinite recursion encountered" echo $eval_arg_res | grep "infinite recursion encountered"
eval_stdin_res=$(echo 'let a = {} // a; in a.foo' | nix-instantiate --eval -E - 2>&1 || true) eval_stdin_res=$(echo 'let a = {} // a; in a.foo' | nix-instantiate --eval -E - 2>&1 || true)
echo $eval_stdin_res | grep "at: (1:15) from stdin" echo $eval_stdin_res | grep "at «stdin»:1:15:"
echo $eval_stdin_res | grep "infinite recursion encountered" echo $eval_stdin_res | grep "infinite recursion encountered"